I’m sorry, but I didn’t mean to keep you _____ here for a long time. Can you forgive me?
How can they expect to learn anything_________they never listen?
Only when______senior high school_________to show a great interest in poems.
— Why are you still here? Everybody has gone to attend the lecture by the president.— Oh, I__________about it!
Mr. Duncan raised an unnecessary question he then failed to find an answer.
____________caused the accident is still a mystery.